Ahmad, Razi Ahmad, Anis Syahira Abdul Hamid, Norhafezah Kasmuri, Sharifah Nursyimi Azlina Syed Ismail, and Jareerat Sakultrat. “Gasification Product Characteristics from Torrefied Spent Coffee Grounds in A Fixed-Bed Reactor”. International Journal of Integrated Engineering 18, no. 5 (August 5, 2026): 190–200. Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/23512.